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tupelo.y64

Convert to/from the URL-safe Y64 encoding.  Y64 is a URL-safe variant of Base64
encoding created by Yahoo (YUI library) which replaces URL-problematic chars 
with URL-safe substitutes. The specific substitutions are:
    +  ->  .   (plus   -> period)
    /  ->  _   (slash  -> underscore)
    =  ->  -   (equals -> hyphen)
For more information, please see:
  http://en.wikipedia.org/wiki/Base64  
  http://www.yuiblog.com/blog/2010/07/06/in-the-yui-3-gallery-base64-and-y64-encoding/

decode-byte-array

(decode-byte-array byte-arr)
Decodes a byte array from Y64, returning a new byte array.

decode-str

(decode-str code-str)
Inputs: [code-str :- s/Str]
Returns: s/Str

Decodes a Y64 encoded String, returning a String.

decode-str->byte-array

(decode-str->byte-array code-str)
Inputs: [code-str :- s/Str]

Decodes a Y64 encoded String, returning a byte array

decode-str->bytes

(decode-str->bytes code-str)
Inputs: [code-str :- s/Str]
Returns: [s/Int]

Decodes a Y64 encoded String, returning a vector of byte values

encode-byte-array

(encode-byte-array byte-arr)
Encodes a byte array into Y64, returning a new byte array.

encode-byte-array->str

(encode-byte-array->str byte-arr)
Inputs: [byte-arr]
Returns: s/Str

Encodes a byte array into Y64, returning a String.

encode-bytes->str

(encode-bytes->str src-bytes)
Inputs: [src-bytes :- [s/Int]]
Returns: s/Str

Encodes a vector of byte values into Y64, returning a String.

encode-str

(encode-str src-str)
Inputs: [src-str :- s/Str]
Returns: s/Str

Encodes a String into Y64, returning a String.

encoding-char-set

A set of chars used for the Y64 encoding (incl. padding char)